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1af02f02bd
v2: ensure that the test fails with the version w/o fix v3: force connect by modifying config and reload it v4: add comments
265 lines
11 KiB
Python
265 lines
11 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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# pylint: disable=line-too-long
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import pytest
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import uuid
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import time
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from helpers.client import QueryRuntimeException
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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def make_instance(name, cfg):
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return cluster.add_instance(name,
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with_zookeeper=True,
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main_configs=['configs/remote_servers.xml', cfg],
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user_configs=['configs/users.xml'])
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# _n1/_n2 contains cluster with different <secret> -- should fail
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n1 = make_instance('n1', 'configs/remote_servers_n1.xml')
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n2 = make_instance('n2', 'configs/remote_servers_n2.xml')
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users = pytest.mark.parametrize('user,password', [
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('default', '' ),
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('nopass', '' ),
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('pass', 'foo'),
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])
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def bootstrap():
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for n in list(cluster.instances.values()):
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n.query('DROP TABLE IF EXISTS data')
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n.query('DROP TABLE IF EXISTS data_from_buffer')
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n.query('DROP TABLE IF EXISTS dist')
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n.query('CREATE TABLE data (key Int) Engine=Memory()')
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n.query('CREATE TABLE data_from_buffer (key Int) Engine=Memory()')
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n.query("""
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CREATE TABLE dist_insecure AS data
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Engine=Distributed(insecure, currentDatabase(), data, key)
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""")
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n.query("""
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CREATE TABLE dist_secure AS data
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Engine=Distributed(secure, currentDatabase(), data, key)
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""")
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n.query("""
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CREATE TABLE dist_secure_from_buffer AS data_from_buffer
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Engine=Distributed(secure, currentDatabase(), data_from_buffer, key)
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""")
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n.query("""
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CREATE TABLE dist_secure_disagree AS data
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Engine=Distributed(secure_disagree, currentDatabase(), data, key)
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""")
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n.query("""
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CREATE TABLE dist_secure_buffer AS dist_secure_from_buffer
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Engine=Buffer(currentDatabase(), dist_secure_from_buffer,
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/* settings for manual flush only */
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1, /* num_layers */
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0, /* min_time, placeholder */
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0, /* max_time, placeholder */
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0, /* min_rows */
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0, /* max_rows */
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0, /* min_bytes */
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0 /* max_bytes */
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)
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""")
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@pytest.fixture(scope='module', autouse=True)
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def start_cluster():
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try:
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cluster.start()
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bootstrap()
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yield cluster
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finally:
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cluster.shutdown()
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def query_with_id(node, id_, query, **kwargs):
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return node.query("WITH '{}' AS __id {}".format(id_, query), **kwargs)
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# @return -- [user, initial_user]
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def get_query_user_info(node, query_pattern):
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node.query("SYSTEM FLUSH LOGS")
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return node.query("""
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SELECT user, initial_user
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FROM system.query_log
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WHERE
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query LIKE '%{}%' AND
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query NOT LIKE '%system.query_log%' AND
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type = 'QueryFinish'
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""".format(query_pattern)).strip().split('\t')
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# @return -- settings
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def get_query_setting_on_shard(node, query_pattern, setting):
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node.query("SYSTEM FLUSH LOGS")
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return node.query("""
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SELECT Settings['{}']
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FROM system.query_log
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WHERE
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query LIKE '%{}%' AND
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NOT is_initial_query AND
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query NOT LIKE '%system.query_log%' AND
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type = 'QueryFinish'
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LIMIT 1
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""".format(setting, query_pattern)).strip()
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def test_insecure():
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n1.query('SELECT * FROM dist_insecure')
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def test_insecure_insert_async():
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n1.query("TRUNCATE TABLE data")
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n1.query('INSERT INTO dist_insecure SELECT * FROM numbers(2)')
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n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER insecure dist_insecure')
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assert int(n1.query('SELECT count() FROM dist_insecure')) == 2
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n1.query('TRUNCATE TABLE data ON CLUSTER insecure')
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def test_insecure_insert_sync():
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n1.query("TRUNCATE TABLE data")
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n1.query('INSERT INTO dist_insecure SELECT * FROM numbers(2)', settings={'insert_distributed_sync': 1})
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assert int(n1.query('SELECT count() FROM dist_insecure')) == 2
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n1.query('TRUNCATE TABLE data ON CLUSTER secure')
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def test_secure():
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n1.query('SELECT * FROM dist_secure')
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def test_secure_insert_async():
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n1.query("TRUNCATE TABLE data")
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n1.query('INSERT INTO dist_secure SELECT * FROM numbers(2)')
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n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure dist_secure')
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assert int(n1.query('SELECT count() FROM dist_secure')) == 2
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n1.query('TRUNCATE TABLE data ON CLUSTER secure')
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def test_secure_insert_sync():
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n1.query("TRUNCATE TABLE data")
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n1.query('INSERT INTO dist_secure SELECT * FROM numbers(2)', settings={'insert_distributed_sync': 1})
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assert int(n1.query('SELECT count() FROM dist_secure')) == 2
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n1.query('TRUNCATE TABLE data ON CLUSTER secure')
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# INSERT w/o initial_user
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#
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# Buffer() flush happens with global context, that does not have user
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# And so Context::user/ClientInfo::current_user/ClientInfo::initial_user will be empty
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#
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# This is the regression test for the subsequent query that it
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# will not use user from the previous query.
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#
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# The test a little bit complex, but I will try to explain:
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# - first, we need to execute query with the readonly user (regualar SELECT),
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# and then we will execute INSERT, and if the bug is there, then INSERT will
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# use the user from SELECT and will fail (since you cannot do INSERT with
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# readonly=1/2)
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#
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# - the trick with generating random priority (via sed) is to avoid reusing
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# connection from n1 to n2 from another test (and we cannot simply use
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# another pool after ConnectionPoolFactory had been added [1].
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#
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# [1]: https://github.com/ClickHouse/ClickHouse/pull/26318
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#
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# We need at least one change in one of fields of the node/shard definition,
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# and this "priorirty" for us in this test.
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#
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# - after we will ensure that connection is really established from the context
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# of SELECT query, and that the connection will not be established from the
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# context of the INSERT query (but actually it is a no-op since the INSERT
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# will be done in background, due to insert_distributed_sync=false by
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# default)
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#
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# - if the bug is there, then FLUSH DISTRIBUTED will fail, because it will go
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# from n1 to n2 using previous user.
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#
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# I hope that this will clarify something for the reader.
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def test_secure_insert_buffer_async():
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# Change cluster definition so that the SELECT will always creates new connection
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priority = int(time.time())
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n1.exec_in_container(['bash', '-c', f'sed -i "s#<priority>.*</priority>#<priority>{priority}</priority>#" /etc/clickhouse-server/config.d/remote_servers.xml'])
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n1.query('SYSTEM RELOAD CONFIG')
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# ensure that SELECT creates new connection (we need separate table for
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# this, so that separate distributed pool will be used)
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query_id = uuid.uuid4().hex
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n1.query('SELECT * FROM dist_secure_from_buffer', user='ro', query_id=query_id)
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assert n1.contains_in_log('{' + query_id + '} <Trace> Connection (n2:9000): Connecting.')
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query_id = uuid.uuid4().hex
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n1.query('INSERT INTO dist_secure_buffer SELECT * FROM numbers(2)', query_id=query_id)
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# ensure that INSERT does not creates new connection, so that it will use
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# previous connection that was instantiated with "ro" user (using
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# interserver secret)
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assert not n1.contains_in_log('{' + query_id + '} <Trace> Connection (n2:9000): Connecting.')
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# And before the bug was fixed this query will fail with the following error:
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#
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# Code: 164. DB::Exception: Received from 172.16.2.5:9000. DB::Exception: There was an error on [n1:9000]: Code: 164. DB::Exception: Received from n2:9000. DB::Exception: ro: Cannot execute query in readonly mode. (READONLY)
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n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure dist_secure_from_buffer')
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n1.query('OPTIMIZE TABLE dist_secure_buffer')
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n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure dist_secure_from_buffer')
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assert int(n1.query('SELECT count() FROM dist_secure_from_buffer')) == 2
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n1.query('TRUNCATE TABLE data_from_buffer ON CLUSTER secure')
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def test_secure_disagree():
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with pytest.raises(QueryRuntimeException, match='.*Hash mismatch.*'):
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n1.query('SELECT * FROM dist_secure_disagree')
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def test_secure_disagree_insert():
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n1.query("TRUNCATE TABLE data")
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n1.query('INSERT INTO dist_secure_disagree SELECT * FROM numbers(2)')
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with pytest.raises(QueryRuntimeException, match='.*Hash mismatch.*'):
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n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure_disagree dist_secure_disagree')
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# check the the connection will be re-established
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# IOW that we will not get "Unknown BlockInfo field"
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with pytest.raises(QueryRuntimeException, match='.*Hash mismatch.*'):
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assert int(n1.query('SELECT count() FROM dist_secure_disagree')) == 0
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@users
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def test_user_insecure_cluster(user, password):
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id_ = 'query-dist_insecure-' + user
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query_with_id(n1, id_, 'SELECT * FROM dist_insecure', user=user, password=password)
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assert get_query_user_info(n1, id_) == [user, user] # due to prefer_localhost_replica
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assert get_query_user_info(n2, id_) == ['default', user]
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@users
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def test_user_secure_cluster(user, password):
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id_ = 'query-dist_secure-' + user
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query_with_id(n1, id_, 'SELECT * FROM dist_secure', user=user, password=password)
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assert get_query_user_info(n1, id_) == [user, user]
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assert get_query_user_info(n2, id_) == [user, user]
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@users
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def test_per_user_inline_settings_insecure_cluster(user, password):
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id_ = 'query-ddl-settings-dist_insecure-' + user
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query_with_id(n1, id_, """
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SELECT * FROM dist_insecure
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SETTINGS
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prefer_localhost_replica=0,
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max_memory_usage_for_user=1e9,
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max_untracked_memory=0
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""", user=user, password=password)
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assert get_query_setting_on_shard(n1, id_, 'max_memory_usage_for_user') == ''
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@users
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def test_per_user_inline_settings_secure_cluster(user, password):
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id_ = 'query-ddl-settings-dist_secure-' + user
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query_with_id(n1, id_, """
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SELECT * FROM dist_secure
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SETTINGS
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prefer_localhost_replica=0,
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max_memory_usage_for_user=1e9,
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max_untracked_memory=0
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""", user=user, password=password)
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assert int(get_query_setting_on_shard(n1, id_, 'max_memory_usage_for_user')) == int(1e9)
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@users
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def test_per_user_protocol_settings_insecure_cluster(user, password):
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id_ = 'query-protocol-settings-dist_insecure-' + user
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query_with_id(n1, id_, 'SELECT * FROM dist_insecure', user=user, password=password, settings={
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'prefer_localhost_replica': 0,
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'max_memory_usage_for_user': int(1e9),
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'max_untracked_memory': 0,
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})
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assert get_query_setting_on_shard(n1, id_, 'max_memory_usage_for_user') == ''
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@users
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def test_per_user_protocol_settings_secure_cluster(user, password):
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id_ = 'query-protocol-settings-dist_secure-' + user
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query_with_id(n1, id_, 'SELECT * FROM dist_secure', user=user, password=password, settings={
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'prefer_localhost_replica': 0,
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'max_memory_usage_for_user': int(1e9),
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'max_untracked_memory': 0,
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})
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assert int(get_query_setting_on_shard(n1, id_, 'max_memory_usage_for_user')) == int(1e9)
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